Subversion Repositories c0or1k

#! /usr/bin/env python2.6

# -*- mode: python; coding: utf-8; -*-

#

#  Codezero -- Virtualization microkernel for embedded systems.

#

#  Copyright © 2009  B Labs Ltd

#

import os, sys, shelve, glob

from os.path import join

PROJRELROOT = '../../'

sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), PROJRELROOT)))

sys.path.append(os.path.abspath("../"))

SCRIPTROOT = os.path.abspath(os.path.dirname(__file__))

from config.projpaths import *

from config.configuration import *

from config.lib import *

class BaremetalContGenerator:

    def __init__(self):

        self.CONT_SRC_DIR = ''   # Set when container is selected

        self.BAREMETAL_SRC_BASEDIR = join(PROJROOT, 'conts')

        self.BAREMETAL_PROJ_SRC_DIR = join(PROJROOT, 'conts/baremetal')

        self.main_builder_name = 'build.py'

        self.main_configurator_name = 'configure.py'

        self.mailing_list_url = 'http://lists.l4dev.org/mailman/listinfo/codezero-devel'

        self.build_script_in = join(SCRIPTROOT, 'files/SConstruct.in')

        self.build_readme_in = join(SCRIPTROOT, 'files/build.readme.in')

        self.build_desc_in = join(SCRIPTROOT, 'files/container.desc.in')

        self.linker_lds_in = join(SCRIPTROOT, 'files/linker.lds.in')

        self.container_h_in = join(SCRIPTROOT, 'files/container.h.in')

        self.build_script_name = 'SConstruct'

        self.build_readme_name = 'build.readme'

        self.build_desc_name = '.container'

        self.linker_lds_name = 'linker.lds'

        self.container_h_name = 'container.h'

        self.container_h_out = None

        self.build_script_out = None

        self.build_readme_out = None

        self.build_desc_out = None

        self.src_main_out = None

    def create_baremetal_srctree(self, config, cont):

        # First, create the base project directory and sources

        shutil.copytree(join(self.BAREMETAL_PROJ_SRC_DIR, cont.dirname), self.CONT_SRC_DIR)

    def copy_baremetal_build_desc(self, config, cont):

        id_header = '[Container ID]\n'

        type_header = '\n[Container Type]\n'

        name_header = '\n[Container Name]\n'

        pager_lma_header = '\n[Container Pager LMA]\n'

        pager_vma_header = '\n[Container Pager VMA]\n'

        pager_virtmem_header = '\n[Container Virtmem Region %s]\n'

        pager_physmem_header = '\n[Container Physmem Region %s]\n'

        with open(self.build_desc_out, 'w+') as fout:

            fout.write(id_header)

            fout.write('\t' + str(cont.id) + '\n')

            fout.write(type_header)

            fout.write('\t' + cont.type + '\n')

            fout.write(name_header)

            fout.write('\t' + cont.name + '\n')

            fout.write(pager_lma_header)

            fout.write('\t' + conv_hex(cont.pager_lma) + '\n')

            fout.write(pager_vma_header)

            fout.write('\t' + conv_hex(cont.pager_vma) + '\n')

            for ireg in range(cont.virt_regions):

                fout.write(pager_virtmem_header % ireg)

                fout.write('\t' + cont.virtmem["START"][ireg] + ' - ' + cont.virtmem["END"][ireg] + '\n')

            for ireg in range(cont.phys_regions):

                fout.write(pager_physmem_header % ireg)

                fout.write('\t' + cont.physmem["START"][ireg] + ' - ' + cont.physmem["END"][ireg] + '\n')

    def copy_baremetal_build_readme(self, config, cont):

        with open(self.build_readme_in) as fin:

            str = fin.read()

            with open(self.build_readme_out, 'w+') as fout:

                # Make any manipulations here

                fout.write(str % (self.mailing_list_url, \

                                  cont.name, \

                                  self.build_desc_name, \

                                  self.main_builder_name, \

                                  self.main_configurator_name, \

                                  self.main_configurator_name))

    def copy_baremetal_container_h(self, config, cont):

        with open(self.container_h_in) as fin:

            str = fin.read()

            with open(self.container_h_out, 'w+') as fout:

                # Make any manipulations here

                fout.write(str % (cont.name, cont.id, cont.id))

    def create_baremetal_sources(self, config, cont):

        self.create_baremetal_srctree(config, cont)

        self.copy_baremetal_build_readme(config, cont)

        self.copy_baremetal_build_desc(config, cont)

        self.generate_linker_script(config, cont)

        self.copy_baremetal_container_h(config, cont)

    def update_configuration(self, config, cont):

        self.copy_baremetal_build_desc(config, cont)

        self.generate_linker_script(config, cont)

        self.copy_baremetal_container_h(config, cont)

    def check_create_baremetal_sources(self, config):

        for cont in config.containers:

            if cont.type == "baremetal":

                # Determine container directory name.

                self.CONT_SRC_DIR = join(self.BAREMETAL_SRC_BASEDIR, cont.name.lower())

                self.build_readme_out = join(self.CONT_SRC_DIR, self.build_readme_name)

                self.build_desc_out = join(self.CONT_SRC_DIR, self.build_desc_name)

                self.linker_lds_out = join(join(self.CONT_SRC_DIR, 'include'), \

                                           self.linker_lds_name)

                self.container_h_out = join(join(self.CONT_SRC_DIR, 'include'), \

                                            self.container_h_name)

                if not os.path.exists(join(self.BAREMETAL_SRC_BASEDIR, cont.name)):

                    self.create_baremetal_sources(config, cont)

                else:

                    # Don't create new sources but update configuration

                    self.update_configuration(config, cont)

    def generate_linker_script(self, config, cont):

        with open(self.linker_lds_in) as fin:

            str = fin.read()

            with open(self.linker_lds_out, 'w+') as fout:

                fout.write(str % (conv_hex(cont.pager_vma), \

                                  conv_hex(cont.pager_lma)))

    def baremetal_container_generate(self, config):

        self.check_create_baremetal_sources(config)

if __name__ == "__main__":

    config = configuration_retrieve()

    config.config_print()

    baremetal_cont = BaremetalContGenerator()

    baremetal_cont.baremetal_container_generate(config)